Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              do reduce its ſelf to its natural diſpoſure, and return to exerciſe
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              its pure ſimple inſtinct given it by nature. </s>
              <s>To this I add, that
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              it's neceſſary, that at leaſt that part of the Air which is beneath the
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              greater heights of mountains, ſhould be tranſported and carried
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              round by the roughneſs of the Earths ſurface; or that, as being
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              mixt with many Vapours, and terrene Exhalations, it do
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              turally follow the diurnal motion, which occurreth not in the
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              Air about the ſhip rowed by Oars: So that your arguing
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              from the ſhip to the Tower hath not the force of an illation;
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              becauſe that ſtone which falls from the round top of the Maſt,
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              entereth into a
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              medium,
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              which is unconcern'd in the motion
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              of the ſhip: but that which departeth from the top of the Tower,
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              finds a
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              medium
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              that hath a motion in common with the whole
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              reſtrial Globe; ſo that without being hindred, rather being aſſiſted
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              by the motion of the air, it may follow the univerſal courſe of the
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              Earth.</s>
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              The diſparity
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              tween the fall of a
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              ſtone from the
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              round top of a ſhip,
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              and from the top
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              of a tower.
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              *That you may not
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              ſuſpect my
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              tion, or wonder
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              what Oars have to
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              do with a ſhip, you
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              are to know that
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              the Author intends
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              the Gallies uſed in
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              the Mediterrane.</s>
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              The part of the
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              Air inferiour to
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              the higher
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              tains doth follow
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              the motion of the
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              Earth.
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              <s>SIMPL. </s>
              <s>I cannot conceive that the air can imprint in a very
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              great ſtone, or in a groſs Globe of Wood or Ball of Lead, as
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              ſuppoſe of two hundred weight, the motion wherewith its ſelf is
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              moved, and which it doth perhaps communicate to feathers, ſnow,
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              and other very light things: nay, I ſee that a weight of that
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              ture, being expoſed to any the moſt impetuous wind, is not
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              by removed an inch from its place; now conſider with your ſelf
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              whether the air will carry it along therewith.</s>
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              The motion of the
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              Air apt to carry
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              with it light things
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              but not heavy.
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              <s>SALV. </s>
              <s>There is great difference between your experiment and
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              our caſe. </s>
              <s>You introduce the wind blowing againſt that ſtone,
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              ſuppoſed in a ſtate of reſt, and we expoſe to the air, which already
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              moveth, the ſtone which doth alſo move with the ſame velocity;
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              ſo that the air is not to conferr a new motion upon it, but onely
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              to maintain, or to ſpeak better, not to hinder the motion already
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              acquired: you would drive the ſtone with a ſtrange and
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              natural motion, and we deſire to conſerve it in its natural. </s>
              <s>If
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              you would produce a more pertinent experiment, you ſhould ſay,
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              that it is obſerved, if not with the eye of the forehead, yet with
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              that of the mind, what would evene, if an eagle that is carried by
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              the courſe of the wind, ſhould let a ſtone fall from its talons;
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              which, in regard that at its being let go, it went along with the
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              wind, and after it was let fall it entered into a
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              medium
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              that
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              ved with equal velocity, I am very confident that it would not be
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              ſeen to deſcend in its fall perpendicularly, but that following the
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              courſe of the wind, and adding thereto that of its particular
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              vity, it would move with a tranſverſe motion.</s>
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              <s>SIMPI. </s>
              <s>But it would firſt be known how ſuch an experiment
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              may be made; and then one might judg according to the event.
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              <s>In the mean time the effect of the ſhip doth hitherto incline to
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              vour our opinion.</s>
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